ConnectivityManager.java revision 0535a9f7aa5d0f875b06845e9af5f6dbfc5c8a19
1/* 2 * Copyright (C) 2008 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package android.net; 18 19import static com.android.internal.util.Preconditions.checkNotNull; 20 21import android.annotation.SdkConstant; 22import android.annotation.SdkConstant.SdkConstantType; 23import android.content.Context; 24import android.os.Binder; 25import android.os.Build.VERSION_CODES; 26import android.os.IBinder; 27import android.os.INetworkActivityListener; 28import android.os.INetworkManagementService; 29import android.os.Messenger; 30import android.os.RemoteException; 31import android.os.ServiceManager; 32import android.provider.Settings; 33import android.util.ArrayMap; 34 35import java.net.InetAddress; 36 37/** 38 * Class that answers queries about the state of network connectivity. It also 39 * notifies applications when network connectivity changes. Get an instance 40 * of this class by calling 41 * {@link android.content.Context#getSystemService(String) Context.getSystemService(Context.CONNECTIVITY_SERVICE)}. 42 * <p> 43 * The primary responsibilities of this class are to: 44 * <ol> 45 * <li>Monitor network connections (Wi-Fi, GPRS, UMTS, etc.)</li> 46 * <li>Send broadcast intents when network connectivity changes</li> 47 * <li>Attempt to "fail over" to another network when connectivity to a network 48 * is lost</li> 49 * <li>Provide an API that allows applications to query the coarse-grained or fine-grained 50 * state of the available networks</li> 51 * </ol> 52 */ 53public class ConnectivityManager { 54 private static final String TAG = "ConnectivityManager"; 55 56 /** 57 * A change in network connectivity has occurred. A connection has either 58 * been established or lost. The NetworkInfo for the affected network is 59 * sent as an extra; it should be consulted to see what kind of 60 * connectivity event occurred. 61 * <p/> 62 * If this is a connection that was the result of failing over from a 63 * disconnected network, then the FAILOVER_CONNECTION boolean extra is 64 * set to true. 65 * <p/> 66 * For a loss of connectivity, if the connectivity manager is attempting 67 * to connect (or has already connected) to another network, the 68 * NetworkInfo for the new network is also passed as an extra. This lets 69 * any receivers of the broadcast know that they should not necessarily 70 * tell the user that no data traffic will be possible. Instead, the 71 * receiver should expect another broadcast soon, indicating either that 72 * the failover attempt succeeded (and so there is still overall data 73 * connectivity), or that the failover attempt failed, meaning that all 74 * connectivity has been lost. 75 * <p/> 76 * For a disconnect event, the boolean extra EXTRA_NO_CONNECTIVITY 77 * is set to {@code true} if there are no connected networks at all. 78 */ 79 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 80 public static final String CONNECTIVITY_ACTION = "android.net.conn.CONNECTIVITY_CHANGE"; 81 82 /** 83 * Identical to {@link #CONNECTIVITY_ACTION} broadcast, but sent without any 84 * applicable {@link Settings.Global#CONNECTIVITY_CHANGE_DELAY}. 85 * 86 * @hide 87 */ 88 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 89 public static final String CONNECTIVITY_ACTION_IMMEDIATE = 90 "android.net.conn.CONNECTIVITY_CHANGE_IMMEDIATE"; 91 92 /** 93 * The lookup key for a {@link NetworkInfo} object. Retrieve with 94 * {@link android.content.Intent#getParcelableExtra(String)}. 95 * 96 * @deprecated Since {@link NetworkInfo} can vary based on UID, applications 97 * should always obtain network information through 98 * {@link #getActiveNetworkInfo()} or 99 * {@link #getAllNetworkInfo()}. 100 * @see #EXTRA_NETWORK_TYPE 101 */ 102 @Deprecated 103 public static final String EXTRA_NETWORK_INFO = "networkInfo"; 104 105 /** 106 * Network type which triggered a {@link #CONNECTIVITY_ACTION} broadcast. 107 * Can be used with {@link #getNetworkInfo(int)} to get {@link NetworkInfo} 108 * state based on the calling application. 109 * 110 * @see android.content.Intent#getIntExtra(String, int) 111 */ 112 public static final String EXTRA_NETWORK_TYPE = "networkType"; 113 114 /** 115 * The lookup key for a boolean that indicates whether a connect event 116 * is for a network to which the connectivity manager was failing over 117 * following a disconnect on another network. 118 * Retrieve it with {@link android.content.Intent#getBooleanExtra(String,boolean)}. 119 */ 120 public static final String EXTRA_IS_FAILOVER = "isFailover"; 121 /** 122 * The lookup key for a {@link NetworkInfo} object. This is supplied when 123 * there is another network that it may be possible to connect to. Retrieve with 124 * {@link android.content.Intent#getParcelableExtra(String)}. 125 */ 126 public static final String EXTRA_OTHER_NETWORK_INFO = "otherNetwork"; 127 /** 128 * The lookup key for a boolean that indicates whether there is a 129 * complete lack of connectivity, i.e., no network is available. 130 * Retrieve it with {@link android.content.Intent#getBooleanExtra(String,boolean)}. 131 */ 132 public static final String EXTRA_NO_CONNECTIVITY = "noConnectivity"; 133 /** 134 * The lookup key for a string that indicates why an attempt to connect 135 * to a network failed. The string has no particular structure. It is 136 * intended to be used in notifications presented to users. Retrieve 137 * it with {@link android.content.Intent#getStringExtra(String)}. 138 */ 139 public static final String EXTRA_REASON = "reason"; 140 /** 141 * The lookup key for a string that provides optionally supplied 142 * extra information about the network state. The information 143 * may be passed up from the lower networking layers, and its 144 * meaning may be specific to a particular network type. Retrieve 145 * it with {@link android.content.Intent#getStringExtra(String)}. 146 */ 147 public static final String EXTRA_EXTRA_INFO = "extraInfo"; 148 /** 149 * The lookup key for an int that provides information about 150 * our connection to the internet at large. 0 indicates no connection, 151 * 100 indicates a great connection. Retrieve it with 152 * {@link android.content.Intent#getIntExtra(String, int)}. 153 * {@hide} 154 */ 155 public static final String EXTRA_INET_CONDITION = "inetCondition"; 156 157 /** 158 * Broadcast action to indicate the change of data activity status 159 * (idle or active) on a network in a recent period. 160 * The network becomes active when data transmission is started, or 161 * idle if there is no data transmission for a period of time. 162 * {@hide} 163 */ 164 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 165 public static final String ACTION_DATA_ACTIVITY_CHANGE = "android.net.conn.DATA_ACTIVITY_CHANGE"; 166 /** 167 * The lookup key for an enum that indicates the network device type on which this data activity 168 * change happens. 169 * {@hide} 170 */ 171 public static final String EXTRA_DEVICE_TYPE = "deviceType"; 172 /** 173 * The lookup key for a boolean that indicates the device is active or not. {@code true} means 174 * it is actively sending or receiving data and {@code false} means it is idle. 175 * {@hide} 176 */ 177 public static final String EXTRA_IS_ACTIVE = "isActive"; 178 /** 179 * The lookup key for a long that contains the timestamp (nanos) of the radio state change. 180 * {@hide} 181 */ 182 public static final String EXTRA_REALTIME_NS = "tsNanos"; 183 184 /** 185 * Broadcast Action: The setting for background data usage has changed 186 * values. Use {@link #getBackgroundDataSetting()} to get the current value. 187 * <p> 188 * If an application uses the network in the background, it should listen 189 * for this broadcast and stop using the background data if the value is 190 * {@code false}. 191 * <p> 192 * 193 * @deprecated As of {@link VERSION_CODES#ICE_CREAM_SANDWICH}, availability 194 * of background data depends on several combined factors, and 195 * this broadcast is no longer sent. Instead, when background 196 * data is unavailable, {@link #getActiveNetworkInfo()} will now 197 * appear disconnected. During first boot after a platform 198 * upgrade, this broadcast will be sent once if 199 * {@link #getBackgroundDataSetting()} was {@code false} before 200 * the upgrade. 201 */ 202 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 203 @Deprecated 204 public static final String ACTION_BACKGROUND_DATA_SETTING_CHANGED = 205 "android.net.conn.BACKGROUND_DATA_SETTING_CHANGED"; 206 207 /** 208 * Broadcast Action: The network connection may not be good 209 * uses {@code ConnectivityManager.EXTRA_INET_CONDITION} and 210 * {@code ConnectivityManager.EXTRA_NETWORK_INFO} to specify 211 * the network and it's condition. 212 * @hide 213 */ 214 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 215 public static final String INET_CONDITION_ACTION = 216 "android.net.conn.INET_CONDITION_ACTION"; 217 218 /** 219 * Broadcast Action: A tetherable connection has come or gone. 220 * Uses {@code ConnectivityManager.EXTRA_AVAILABLE_TETHER}, 221 * {@code ConnectivityManager.EXTRA_ACTIVE_TETHER} and 222 * {@code ConnectivityManager.EXTRA_ERRORED_TETHER} to indicate 223 * the current state of tethering. Each include a list of 224 * interface names in that state (may be empty). 225 * @hide 226 */ 227 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 228 public static final String ACTION_TETHER_STATE_CHANGED = 229 "android.net.conn.TETHER_STATE_CHANGED"; 230 231 /** 232 * @hide 233 * gives a String[] listing all the interfaces configured for 234 * tethering and currently available for tethering. 235 */ 236 public static final String EXTRA_AVAILABLE_TETHER = "availableArray"; 237 238 /** 239 * @hide 240 * gives a String[] listing all the interfaces currently tethered 241 * (ie, has dhcp support and packets potentially forwarded/NATed) 242 */ 243 public static final String EXTRA_ACTIVE_TETHER = "activeArray"; 244 245 /** 246 * @hide 247 * gives a String[] listing all the interfaces we tried to tether and 248 * failed. Use {@link #getLastTetherError} to find the error code 249 * for any interfaces listed here. 250 */ 251 public static final String EXTRA_ERRORED_TETHER = "erroredArray"; 252 253 /** 254 * Broadcast Action: The captive portal tracker has finished its test. 255 * Sent only while running Setup Wizard, in lieu of showing a user 256 * notification. 257 * @hide 258 */ 259 @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 260 public static final String ACTION_CAPTIVE_PORTAL_TEST_COMPLETED = 261 "android.net.conn.CAPTIVE_PORTAL_TEST_COMPLETED"; 262 /** 263 * The lookup key for a boolean that indicates whether a captive portal was detected. 264 * Retrieve it with {@link android.content.Intent#getBooleanExtra(String,boolean)}. 265 * @hide 266 */ 267 public static final String EXTRA_IS_CAPTIVE_PORTAL = "captivePortal"; 268 269 /** 270 * The absence of a connection type. 271 * @hide 272 */ 273 public static final int TYPE_NONE = -1; 274 275 /** 276 * The Mobile data connection. When active, all data traffic 277 * will use this network type's interface by default 278 * (it has a default route) 279 */ 280 public static final int TYPE_MOBILE = 0; 281 /** 282 * The WIFI data connection. When active, all data traffic 283 * will use this network type's interface by default 284 * (it has a default route). 285 */ 286 public static final int TYPE_WIFI = 1; 287 /** 288 * An MMS-specific Mobile data connection. This network type may use the 289 * same network interface as {@link #TYPE_MOBILE} or it may use a different 290 * one. This is used by applications needing to talk to the carrier's 291 * Multimedia Messaging Service servers. 292 */ 293 public static final int TYPE_MOBILE_MMS = 2; 294 /** 295 * A SUPL-specific Mobile data connection. This network type may use the 296 * same network interface as {@link #TYPE_MOBILE} or it may use a different 297 * one. This is used by applications needing to talk to the carrier's 298 * Secure User Plane Location servers for help locating the device. 299 */ 300 public static final int TYPE_MOBILE_SUPL = 3; 301 /** 302 * A DUN-specific Mobile data connection. This network type may use the 303 * same network interface as {@link #TYPE_MOBILE} or it may use a different 304 * one. This is sometimes by the system when setting up an upstream connection 305 * for tethering so that the carrier is aware of DUN traffic. 306 */ 307 public static final int TYPE_MOBILE_DUN = 4; 308 /** 309 * A High Priority Mobile data connection. This network type uses the 310 * same network interface as {@link #TYPE_MOBILE} but the routing setup 311 * is different. Only requesting processes will have access to the 312 * Mobile DNS servers and only IP's explicitly requested via {@link #requestRouteToHost} 313 * will route over this interface if no default route exists. 314 */ 315 public static final int TYPE_MOBILE_HIPRI = 5; 316 /** 317 * The WiMAX data connection. When active, all data traffic 318 * will use this network type's interface by default 319 * (it has a default route). 320 */ 321 public static final int TYPE_WIMAX = 6; 322 323 /** 324 * The Bluetooth data connection. When active, all data traffic 325 * will use this network type's interface by default 326 * (it has a default route). 327 */ 328 public static final int TYPE_BLUETOOTH = 7; 329 330 /** 331 * Dummy data connection. This should not be used on shipping devices. 332 */ 333 public static final int TYPE_DUMMY = 8; 334 335 /** 336 * The Ethernet data connection. When active, all data traffic 337 * will use this network type's interface by default 338 * (it has a default route). 339 */ 340 public static final int TYPE_ETHERNET = 9; 341 342 /** 343 * Over the air Administration. 344 * {@hide} 345 */ 346 public static final int TYPE_MOBILE_FOTA = 10; 347 348 /** 349 * IP Multimedia Subsystem. 350 * {@hide} 351 */ 352 public static final int TYPE_MOBILE_IMS = 11; 353 354 /** 355 * Carrier Branded Services. 356 * {@hide} 357 */ 358 public static final int TYPE_MOBILE_CBS = 12; 359 360 /** 361 * A Wi-Fi p2p connection. Only requesting processes will have access to 362 * the peers connected. 363 * {@hide} 364 */ 365 public static final int TYPE_WIFI_P2P = 13; 366 367 /** 368 * The network to use for initially attaching to the network 369 * {@hide} 370 */ 371 public static final int TYPE_MOBILE_IA = 14; 372 373 /** 374 * The network that uses proxy to achieve connectivity. 375 * {@hide} 376 */ 377 public static final int TYPE_PROXY = 16; 378 379 /** {@hide} */ 380 public static final int MAX_RADIO_TYPE = TYPE_PROXY; 381 382 /** {@hide} */ 383 public static final int MAX_NETWORK_TYPE = TYPE_PROXY; 384 385 /** 386 * If you want to set the default network preference,you can directly 387 * change the networkAttributes array in framework's config.xml. 388 * 389 * @deprecated Since we support so many more networks now, the single 390 * network default network preference can't really express 391 * the hierarchy. Instead, the default is defined by the 392 * networkAttributes in config.xml. You can determine 393 * the current value by calling {@link #getNetworkPreference()} 394 * from an App. 395 */ 396 @Deprecated 397 public static final int DEFAULT_NETWORK_PREFERENCE = TYPE_WIFI; 398 399 /** 400 * Default value for {@link Settings.Global#CONNECTIVITY_CHANGE_DELAY} in 401 * milliseconds. This was introduced because IPv6 routes seem to take a 402 * moment to settle - trying network activity before the routes are adjusted 403 * can lead to packets using the wrong interface or having the wrong IP address. 404 * This delay is a bit crude, but in the future hopefully we will have kernel 405 * notifications letting us know when it's safe to use the new network. 406 * 407 * @hide 408 */ 409 public static final int CONNECTIVITY_CHANGE_DELAY_DEFAULT = 3000; 410 411 private final IConnectivityManager mService; 412 413 private final String mPackageName; 414 415 private INetworkManagementService mNMService; 416 417 /** 418 * Tests if a given integer represents a valid network type. 419 * @param networkType the type to be tested 420 * @return a boolean. {@code true} if the type is valid, else {@code false} 421 */ 422 public static boolean isNetworkTypeValid(int networkType) { 423 return networkType >= 0 && networkType <= MAX_NETWORK_TYPE; 424 } 425 426 /** 427 * Returns a non-localized string representing a given network type. 428 * ONLY used for debugging output. 429 * @param type the type needing naming 430 * @return a String for the given type, or a string version of the type ("87") 431 * if no name is known. 432 * {@hide} 433 */ 434 public static String getNetworkTypeName(int type) { 435 switch (type) { 436 case TYPE_MOBILE: 437 return "MOBILE"; 438 case TYPE_WIFI: 439 return "WIFI"; 440 case TYPE_MOBILE_MMS: 441 return "MOBILE_MMS"; 442 case TYPE_MOBILE_SUPL: 443 return "MOBILE_SUPL"; 444 case TYPE_MOBILE_DUN: 445 return "MOBILE_DUN"; 446 case TYPE_MOBILE_HIPRI: 447 return "MOBILE_HIPRI"; 448 case TYPE_WIMAX: 449 return "WIMAX"; 450 case TYPE_BLUETOOTH: 451 return "BLUETOOTH"; 452 case TYPE_DUMMY: 453 return "DUMMY"; 454 case TYPE_ETHERNET: 455 return "ETHERNET"; 456 case TYPE_MOBILE_FOTA: 457 return "MOBILE_FOTA"; 458 case TYPE_MOBILE_IMS: 459 return "MOBILE_IMS"; 460 case TYPE_MOBILE_CBS: 461 return "MOBILE_CBS"; 462 case TYPE_WIFI_P2P: 463 return "WIFI_P2P"; 464 case TYPE_MOBILE_IA: 465 return "MOBILE_IA"; 466 case TYPE_PROXY: 467 return "PROXY"; 468 default: 469 return Integer.toString(type); 470 } 471 } 472 473 /** 474 * Checks if a given type uses the cellular data connection. 475 * This should be replaced in the future by a network property. 476 * @param networkType the type to check 477 * @return a boolean - {@code true} if uses cellular network, else {@code false} 478 * {@hide} 479 */ 480 public static boolean isNetworkTypeMobile(int networkType) { 481 switch (networkType) { 482 case TYPE_MOBILE: 483 case TYPE_MOBILE_MMS: 484 case TYPE_MOBILE_SUPL: 485 case TYPE_MOBILE_DUN: 486 case TYPE_MOBILE_HIPRI: 487 case TYPE_MOBILE_FOTA: 488 case TYPE_MOBILE_IMS: 489 case TYPE_MOBILE_CBS: 490 case TYPE_MOBILE_IA: 491 return true; 492 default: 493 return false; 494 } 495 } 496 497 /** 498 * Checks if the given network type is backed by a Wi-Fi radio. 499 * 500 * @hide 501 */ 502 public static boolean isNetworkTypeWifi(int networkType) { 503 switch (networkType) { 504 case TYPE_WIFI: 505 case TYPE_WIFI_P2P: 506 return true; 507 default: 508 return false; 509 } 510 } 511 512 /** 513 * Checks if the given network type should be exempt from VPN routing rules 514 * 515 * @hide 516 */ 517 public static boolean isNetworkTypeExempt(int networkType) { 518 switch (networkType) { 519 case TYPE_MOBILE_MMS: 520 case TYPE_MOBILE_SUPL: 521 case TYPE_MOBILE_HIPRI: 522 case TYPE_MOBILE_IA: 523 return true; 524 default: 525 return false; 526 } 527 } 528 529 /** 530 * Specifies the preferred network type. When the device has more 531 * than one type available the preferred network type will be used. 532 * Note that this made sense when we only had 2 network types, 533 * but with more and more default networks we need an array to list 534 * their ordering. This will be deprecated soon. 535 * 536 * @param preference the network type to prefer over all others. It is 537 * unspecified what happens to the old preferred network in the 538 * overall ordering. 539 */ 540 public void setNetworkPreference(int preference) { 541 try { 542 mService.setNetworkPreference(preference); 543 } catch (RemoteException e) { 544 } 545 } 546 547 /** 548 * Retrieves the current preferred network type. 549 * Note that this made sense when we only had 2 network types, 550 * but with more and more default networks we need an array to list 551 * their ordering. This will be deprecated soon. 552 * 553 * @return an integer representing the preferred network type 554 * 555 * <p>This method requires the caller to hold the permission 556 * {@link android.Manifest.permission#ACCESS_NETWORK_STATE}. 557 */ 558 public int getNetworkPreference() { 559 try { 560 return mService.getNetworkPreference(); 561 } catch (RemoteException e) { 562 return -1; 563 } 564 } 565 566 /** 567 * Returns details about the currently active default data network. When 568 * connected, this network is the default route for outgoing connections. 569 * You should always check {@link NetworkInfo#isConnected()} before initiating 570 * network traffic. This may return {@code null} when there is no default 571 * network. 572 * 573 * @return a {@link NetworkInfo} object for the current default network 574 * or {@code null} if no network default network is currently active 575 * 576 * <p>This method requires the call to hold the permission 577 * {@link android.Manifest.permission#ACCESS_NETWORK_STATE}. 578 */ 579 public NetworkInfo getActiveNetworkInfo() { 580 try { 581 return mService.getActiveNetworkInfo(); 582 } catch (RemoteException e) { 583 return null; 584 } 585 } 586 587 /** 588 * Returns details about the currently active default data network 589 * for a given uid. This is for internal use only to avoid spying 590 * other apps. 591 * 592 * @return a {@link NetworkInfo} object for the current default network 593 * for the given uid or {@code null} if no default network is 594 * available for the specified uid. 595 * 596 * <p>This method requires the caller to hold the permission 597 * {@link android.Manifest.permission#CONNECTIVITY_INTERNAL} 598 * {@hide} 599 */ 600 public NetworkInfo getActiveNetworkInfoForUid(int uid) { 601 try { 602 return mService.getActiveNetworkInfoForUid(uid); 603 } catch (RemoteException e) { 604 return null; 605 } 606 } 607 608 /** 609 * Returns connection status information about a particular 610 * network type. 611 * 612 * @param networkType integer specifying which networkType in 613 * which you're interested. 614 * @return a {@link NetworkInfo} object for the requested 615 * network type or {@code null} if the type is not 616 * supported by the device. 617 * 618 * <p>This method requires the call to hold the permission 619 * {@link android.Manifest.permission#ACCESS_NETWORK_STATE}. 620 */ 621 public NetworkInfo getNetworkInfo(int networkType) { 622 try { 623 return mService.getNetworkInfo(networkType); 624 } catch (RemoteException e) { 625 return null; 626 } 627 } 628 629 /** 630 * Returns connection status information about all network 631 * types supported by the device. 632 * 633 * @return an array of {@link NetworkInfo} objects. Check each 634 * {@link NetworkInfo#getType} for which type each applies. 635 * 636 * <p>This method requires the call to hold the permission 637 * {@link android.Manifest.permission#ACCESS_NETWORK_STATE}. 638 */ 639 public NetworkInfo[] getAllNetworkInfo() { 640 try { 641 return mService.getAllNetworkInfo(); 642 } catch (RemoteException e) { 643 return null; 644 } 645 } 646 647 /** 648 * Returns details about the Provisioning or currently active default data network. When 649 * connected, this network is the default route for outgoing connections. 650 * You should always check {@link NetworkInfo#isConnected()} before initiating 651 * network traffic. This may return {@code null} when there is no default 652 * network. 653 * 654 * @return a {@link NetworkInfo} object for the current default network 655 * or {@code null} if no network default network is currently active 656 * 657 * <p>This method requires the call to hold the permission 658 * {@link android.Manifest.permission#ACCESS_NETWORK_STATE}. 659 * 660 * {@hide} 661 */ 662 public NetworkInfo getProvisioningOrActiveNetworkInfo() { 663 try { 664 return mService.getProvisioningOrActiveNetworkInfo(); 665 } catch (RemoteException e) { 666 return null; 667 } 668 } 669 670 /** 671 * Returns the IP information for the current default network. 672 * 673 * @return a {@link LinkProperties} object describing the IP info 674 * for the current default network, or {@code null} if there 675 * is no current default network. 676 * 677 * <p>This method requires the call to hold the permission 678 * {@link android.Manifest.permission#ACCESS_NETWORK_STATE}. 679 * {@hide} 680 */ 681 public LinkProperties getActiveLinkProperties() { 682 try { 683 return mService.getActiveLinkProperties(); 684 } catch (RemoteException e) { 685 return null; 686 } 687 } 688 689 /** 690 * Returns the IP information for a given network type. 691 * 692 * @param networkType the network type of interest. 693 * @return a {@link LinkProperties} object describing the IP info 694 * for the given networkType, or {@code null} if there is 695 * no current default network. 696 * 697 * <p>This method requires the call to hold the permission 698 * {@link android.Manifest.permission#ACCESS_NETWORK_STATE}. 699 * {@hide} 700 */ 701 public LinkProperties getLinkProperties(int networkType) { 702 try { 703 return mService.getLinkProperties(networkType); 704 } catch (RemoteException e) { 705 return null; 706 } 707 } 708 709 /** 710 * Tells each network type to set its radio power state as directed. 711 * 712 * @param turnOn a boolean, {@code true} to turn the radios on, 713 * {@code false} to turn them off. 714 * @return a boolean, {@code true} indicating success. All network types 715 * will be tried, even if some fail. 716 * 717 * <p>This method requires the call to hold the permission 718 * {@link android.Manifest.permission#CHANGE_NETWORK_STATE}. 719 * {@hide} 720 */ 721 public boolean setRadios(boolean turnOn) { 722 try { 723 return mService.setRadios(turnOn); 724 } catch (RemoteException e) { 725 return false; 726 } 727 } 728 729 /** 730 * Tells a given networkType to set its radio power state as directed. 731 * 732 * @param networkType the int networkType of interest. 733 * @param turnOn a boolean, {@code true} to turn the radio on, 734 * {@code} false to turn it off. 735 * @return a boolean, {@code true} indicating success. 736 * 737 * <p>This method requires the call to hold the permission 738 * {@link android.Manifest.permission#CHANGE_NETWORK_STATE}. 739 * {@hide} 740 */ 741 public boolean setRadio(int networkType, boolean turnOn) { 742 try { 743 return mService.setRadio(networkType, turnOn); 744 } catch (RemoteException e) { 745 return false; 746 } 747 } 748 749 /** 750 * Tells the underlying networking system that the caller wants to 751 * begin using the named feature. The interpretation of {@code feature} 752 * is completely up to each networking implementation. 753 * <p>This method requires the caller to hold the permission 754 * {@link android.Manifest.permission#CHANGE_NETWORK_STATE}. 755 * @param networkType specifies which network the request pertains to 756 * @param feature the name of the feature to be used 757 * @return an integer value representing the outcome of the request. 758 * The interpretation of this value is specific to each networking 759 * implementation+feature combination, except that the value {@code -1} 760 * always indicates failure. 761 */ 762 public int startUsingNetworkFeature(int networkType, String feature) { 763 try { 764 return mService.startUsingNetworkFeature(networkType, feature, 765 new Binder()); 766 } catch (RemoteException e) { 767 return -1; 768 } 769 } 770 771 /** 772 * Tells the underlying networking system that the caller is finished 773 * using the named feature. The interpretation of {@code feature} 774 * is completely up to each networking implementation. 775 * <p>This method requires the caller to hold the permission 776 * {@link android.Manifest.permission#CHANGE_NETWORK_STATE}. 777 * @param networkType specifies which network the request pertains to 778 * @param feature the name of the feature that is no longer needed 779 * @return an integer value representing the outcome of the request. 780 * The interpretation of this value is specific to each networking 781 * implementation+feature combination, except that the value {@code -1} 782 * always indicates failure. 783 */ 784 public int stopUsingNetworkFeature(int networkType, String feature) { 785 try { 786 return mService.stopUsingNetworkFeature(networkType, feature); 787 } catch (RemoteException e) { 788 return -1; 789 } 790 } 791 792 /** 793 * Ensure that a network route exists to deliver traffic to the specified 794 * host via the specified network interface. An attempt to add a route that 795 * already exists is ignored, but treated as successful. 796 * <p>This method requires the caller to hold the permission 797 * {@link android.Manifest.permission#CHANGE_NETWORK_STATE}. 798 * @param networkType the type of the network over which traffic to the specified 799 * host is to be routed 800 * @param hostAddress the IP address of the host to which the route is desired 801 * @return {@code true} on success, {@code false} on failure 802 */ 803 public boolean requestRouteToHost(int networkType, int hostAddress) { 804 InetAddress inetAddress = NetworkUtils.intToInetAddress(hostAddress); 805 806 if (inetAddress == null) { 807 return false; 808 } 809 810 return requestRouteToHostAddress(networkType, inetAddress); 811 } 812 813 /** 814 * Ensure that a network route exists to deliver traffic to the specified 815 * host via the specified network interface. An attempt to add a route that 816 * already exists is ignored, but treated as successful. 817 * <p>This method requires the caller to hold the permission 818 * {@link android.Manifest.permission#CHANGE_NETWORK_STATE}. 819 * @param networkType the type of the network over which traffic to the specified 820 * host is to be routed 821 * @param hostAddress the IP address of the host to which the route is desired 822 * @return {@code true} on success, {@code false} on failure 823 * @hide 824 */ 825 public boolean requestRouteToHostAddress(int networkType, InetAddress hostAddress) { 826 byte[] address = hostAddress.getAddress(); 827 try { 828 return mService.requestRouteToHostAddress(networkType, address, mPackageName); 829 } catch (RemoteException e) { 830 return false; 831 } 832 } 833 834 /** 835 * Returns the value of the setting for background data usage. If false, 836 * applications should not use the network if the application is not in the 837 * foreground. Developers should respect this setting, and check the value 838 * of this before performing any background data operations. 839 * <p> 840 * All applications that have background services that use the network 841 * should listen to {@link #ACTION_BACKGROUND_DATA_SETTING_CHANGED}. 842 * <p> 843 * @deprecated As of {@link VERSION_CODES#ICE_CREAM_SANDWICH}, availability of 844 * background data depends on several combined factors, and this method will 845 * always return {@code true}. Instead, when background data is unavailable, 846 * {@link #getActiveNetworkInfo()} will now appear disconnected. 847 * 848 * @return Whether background data usage is allowed. 849 */ 850 @Deprecated 851 public boolean getBackgroundDataSetting() { 852 // assume that background data is allowed; final authority is 853 // NetworkInfo which may be blocked. 854 return true; 855 } 856 857 /** 858 * Sets the value of the setting for background data usage. 859 * 860 * @param allowBackgroundData Whether an application should use data while 861 * it is in the background. 862 * 863 * @attr ref android.Manifest.permission#CHANGE_BACKGROUND_DATA_SETTING 864 * @see #getBackgroundDataSetting() 865 * @hide 866 */ 867 @Deprecated 868 public void setBackgroundDataSetting(boolean allowBackgroundData) { 869 // ignored 870 } 871 872 /** 873 * Return quota status for the current active network, or {@code null} if no 874 * network is active. Quota status can change rapidly, so these values 875 * shouldn't be cached. 876 * 877 * <p>This method requires the call to hold the permission 878 * {@link android.Manifest.permission#ACCESS_NETWORK_STATE}. 879 * 880 * @hide 881 */ 882 public NetworkQuotaInfo getActiveNetworkQuotaInfo() { 883 try { 884 return mService.getActiveNetworkQuotaInfo(); 885 } catch (RemoteException e) { 886 return null; 887 } 888 } 889 890 /** 891 * Gets the value of the setting for enabling Mobile data. 892 * 893 * @return Whether mobile data is enabled. 894 * 895 * <p>This method requires the call to hold the permission 896 * {@link android.Manifest.permission#ACCESS_NETWORK_STATE}. 897 * @hide 898 */ 899 public boolean getMobileDataEnabled() { 900 try { 901 return mService.getMobileDataEnabled(); 902 } catch (RemoteException e) { 903 return true; 904 } 905 } 906 907 /** 908 * Sets the persisted value for enabling/disabling Mobile data. 909 * 910 * @param enabled Whether the user wants the mobile data connection used 911 * or not. 912 * @hide 913 */ 914 public void setMobileDataEnabled(boolean enabled) { 915 try { 916 mService.setMobileDataEnabled(enabled); 917 } catch (RemoteException e) { 918 } 919 } 920 921 /** 922 * Callback for use with {@link ConnectivityManager#registerNetworkActiveListener} to 923 * find out when the current network has gone in to a high power state. 924 */ 925 public interface OnNetworkActiveListener { 926 /** 927 * Called on the main thread of the process to report that the current data network 928 * has become active, and it is now a good time to perform any pending network 929 * operations. Note that this listener only tells you when the network becomes 930 * active; if at any other time you want to know whether it is active (and thus okay 931 * to initiate network traffic), you can retrieve its instantaneous state with 932 * {@link ConnectivityManager#isNetworkActive}. 933 */ 934 public void onNetworkActive(); 935 } 936 937 private INetworkManagementService getNetworkManagementService() { 938 synchronized (this) { 939 if (mNMService != null) { 940 return mNMService; 941 } 942 IBinder b = ServiceManager.getService(Context.NETWORKMANAGEMENT_SERVICE); 943 mNMService = INetworkManagementService.Stub.asInterface(b); 944 return mNMService; 945 } 946 } 947 948 private final ArrayMap<OnNetworkActiveListener, INetworkActivityListener> 949 mNetworkActivityListeners 950 = new ArrayMap<OnNetworkActiveListener, INetworkActivityListener>(); 951 952 /** 953 * Start listening to reports when the data network is active, meaning it is 954 * a good time to perform network traffic. Use {@link #isNetworkActive()} 955 * to determine the current state of the network after registering the listener. 956 * 957 * @param l The listener to be told when the network is active. 958 */ 959 public void registerNetworkActiveListener(final OnNetworkActiveListener l) { 960 INetworkActivityListener rl = new INetworkActivityListener.Stub() { 961 @Override 962 public void onNetworkActive() throws RemoteException { 963 l.onNetworkActive(); 964 } 965 }; 966 967 try { 968 getNetworkManagementService().registerNetworkActivityListener(rl); 969 mNetworkActivityListeners.put(l, rl); 970 } catch (RemoteException e) { 971 } 972 } 973 974 /** 975 * Remove network active listener previously registered with 976 * {@link #registerNetworkActiveListener}. 977 * 978 * @param l Previously registered listener. 979 */ 980 public void unregisterNetworkActiveListener(OnNetworkActiveListener l) { 981 INetworkActivityListener rl = mNetworkActivityListeners.get(l); 982 if (rl == null) { 983 throw new IllegalArgumentException("Listener not registered: " + l); 984 } 985 try { 986 getNetworkManagementService().unregisterNetworkActivityListener(rl); 987 } catch (RemoteException e) { 988 } 989 } 990 991 /** 992 * Return whether the data network is currently active. An active network means that 993 * it is currently in a high power state for performing data transmission. On some 994 * types of networks, it may be expensive to move and stay in such a state, so it is 995 * more power efficient to batch network traffic together when the radio is already in 996 * this state. This method tells you whether right now is currently a good time to 997 * initiate network traffic, as the network is already active. 998 */ 999 public boolean isNetworkActive() { 1000 try { 1001 return getNetworkManagementService().isNetworkActive(); 1002 } catch (RemoteException e) { 1003 } 1004 return false; 1005 } 1006 1007 /** 1008 * {@hide} 1009 */ 1010 public ConnectivityManager(IConnectivityManager service, String packageName) { 1011 mService = checkNotNull(service, "missing IConnectivityManager"); 1012 mPackageName = checkNotNull(packageName, "missing package name"); 1013 } 1014 1015 /** {@hide} */ 1016 public static ConnectivityManager from(Context context) { 1017 return (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE); 1018 } 1019 1020 /** 1021 * Get the set of tetherable, available interfaces. This list is limited by 1022 * device configuration and current interface existence. 1023 * 1024 * @return an array of 0 or more Strings of tetherable interface names. 1025 * 1026 * <p>This method requires the call to hold the permission 1027 * {@link android.Manifest.permission#ACCESS_NETWORK_STATE}. 1028 * {@hide} 1029 */ 1030 public String[] getTetherableIfaces() { 1031 try { 1032 return mService.getTetherableIfaces(); 1033 } catch (RemoteException e) { 1034 return new String[0]; 1035 } 1036 } 1037 1038 /** 1039 * Get the set of tethered interfaces. 1040 * 1041 * @return an array of 0 or more String of currently tethered interface names. 1042 * 1043 * <p>This method requires the call to hold the permission 1044 * {@link android.Manifest.permission#ACCESS_NETWORK_STATE}. 1045 * {@hide} 1046 */ 1047 public String[] getTetheredIfaces() { 1048 try { 1049 return mService.getTetheredIfaces(); 1050 } catch (RemoteException e) { 1051 return new String[0]; 1052 } 1053 } 1054 1055 /** 1056 * Get the set of interface names which attempted to tether but 1057 * failed. Re-attempting to tether may cause them to reset to the Tethered 1058 * state. Alternatively, causing the interface to be destroyed and recreated 1059 * may cause them to reset to the available state. 1060 * {@link ConnectivityManager#getLastTetherError} can be used to get more 1061 * information on the cause of the errors. 1062 * 1063 * @return an array of 0 or more String indicating the interface names 1064 * which failed to tether. 1065 * 1066 * <p>This method requires the call to hold the permission 1067 * {@link android.Manifest.permission#ACCESS_NETWORK_STATE}. 1068 * {@hide} 1069 */ 1070 public String[] getTetheringErroredIfaces() { 1071 try { 1072 return mService.getTetheringErroredIfaces(); 1073 } catch (RemoteException e) { 1074 return new String[0]; 1075 } 1076 } 1077 1078 /** 1079 * Attempt to tether the named interface. This will setup a dhcp server 1080 * on the interface, forward and NAT IP packets and forward DNS requests 1081 * to the best active upstream network interface. Note that if no upstream 1082 * IP network interface is available, dhcp will still run and traffic will be 1083 * allowed between the tethered devices and this device, though upstream net 1084 * access will of course fail until an upstream network interface becomes 1085 * active. 1086 * 1087 * @param iface the interface name to tether. 1088 * @return error a {@code TETHER_ERROR} value indicating success or failure type 1089 * 1090 * <p>This method requires the call to hold the permission 1091 * {@link android.Manifest.permission#CHANGE_NETWORK_STATE}. 1092 * {@hide} 1093 */ 1094 public int tether(String iface) { 1095 try { 1096 return mService.tether(iface); 1097 } catch (RemoteException e) { 1098 return TETHER_ERROR_SERVICE_UNAVAIL; 1099 } 1100 } 1101 1102 /** 1103 * Stop tethering the named interface. 1104 * 1105 * @param iface the interface name to untether. 1106 * @return error a {@code TETHER_ERROR} value indicating success or failure type 1107 * 1108 * <p>This method requires the call to hold the permission 1109 * {@link android.Manifest.permission#CHANGE_NETWORK_STATE}. 1110 * {@hide} 1111 */ 1112 public int untether(String iface) { 1113 try { 1114 return mService.untether(iface); 1115 } catch (RemoteException e) { 1116 return TETHER_ERROR_SERVICE_UNAVAIL; 1117 } 1118 } 1119 1120 /** 1121 * Check if the device allows for tethering. It may be disabled via 1122 * {@code ro.tether.denied} system property, Settings.TETHER_SUPPORTED or 1123 * due to device configuration. 1124 * 1125 * @return a boolean - {@code true} indicating Tethering is supported. 1126 * 1127 * <p>This method requires the call to hold the permission 1128 * {@link android.Manifest.permission#ACCESS_NETWORK_STATE}. 1129 * {@hide} 1130 */ 1131 public boolean isTetheringSupported() { 1132 try { 1133 return mService.isTetheringSupported(); 1134 } catch (RemoteException e) { 1135 return false; 1136 } 1137 } 1138 1139 /** 1140 * Get the list of regular expressions that define any tetherable 1141 * USB network interfaces. If USB tethering is not supported by the 1142 * device, this list should be empty. 1143 * 1144 * @return an array of 0 or more regular expression Strings defining 1145 * what interfaces are considered tetherable usb interfaces. 1146 * 1147 * <p>This method requires the call to hold the permission 1148 * {@link android.Manifest.permission#ACCESS_NETWORK_STATE}. 1149 * {@hide} 1150 */ 1151 public String[] getTetherableUsbRegexs() { 1152 try { 1153 return mService.getTetherableUsbRegexs(); 1154 } catch (RemoteException e) { 1155 return new String[0]; 1156 } 1157 } 1158 1159 /** 1160 * Get the list of regular expressions that define any tetherable 1161 * Wifi network interfaces. If Wifi tethering is not supported by the 1162 * device, this list should be empty. 1163 * 1164 * @return an array of 0 or more regular expression Strings defining 1165 * what interfaces are considered tetherable wifi interfaces. 1166 * 1167 * <p>This method requires the call to hold the permission 1168 * {@link android.Manifest.permission#ACCESS_NETWORK_STATE}. 1169 * {@hide} 1170 */ 1171 public String[] getTetherableWifiRegexs() { 1172 try { 1173 return mService.getTetherableWifiRegexs(); 1174 } catch (RemoteException e) { 1175 return new String[0]; 1176 } 1177 } 1178 1179 /** 1180 * Get the list of regular expressions that define any tetherable 1181 * Bluetooth network interfaces. If Bluetooth tethering is not supported by the 1182 * device, this list should be empty. 1183 * 1184 * @return an array of 0 or more regular expression Strings defining 1185 * what interfaces are considered tetherable bluetooth interfaces. 1186 * 1187 * <p>This method requires the call to hold the permission 1188 * {@link android.Manifest.permission#ACCESS_NETWORK_STATE}. 1189 * {@hide} 1190 */ 1191 public String[] getTetherableBluetoothRegexs() { 1192 try { 1193 return mService.getTetherableBluetoothRegexs(); 1194 } catch (RemoteException e) { 1195 return new String[0]; 1196 } 1197 } 1198 1199 /** 1200 * Attempt to both alter the mode of USB and Tethering of USB. A 1201 * utility method to deal with some of the complexity of USB - will 1202 * attempt to switch to Rndis and subsequently tether the resulting 1203 * interface on {@code true} or turn off tethering and switch off 1204 * Rndis on {@code false}. 1205 * 1206 * @param enable a boolean - {@code true} to enable tethering 1207 * @return error a {@code TETHER_ERROR} value indicating success or failure type 1208 * 1209 * <p>This method requires the call to hold the permission 1210 * {@link android.Manifest.permission#CHANGE_NETWORK_STATE}. 1211 * {@hide} 1212 */ 1213 public int setUsbTethering(boolean enable) { 1214 try { 1215 return mService.setUsbTethering(enable); 1216 } catch (RemoteException e) { 1217 return TETHER_ERROR_SERVICE_UNAVAIL; 1218 } 1219 } 1220 1221 /** {@hide} */ 1222 public static final int TETHER_ERROR_NO_ERROR = 0; 1223 /** {@hide} */ 1224 public static final int TETHER_ERROR_UNKNOWN_IFACE = 1; 1225 /** {@hide} */ 1226 public static final int TETHER_ERROR_SERVICE_UNAVAIL = 2; 1227 /** {@hide} */ 1228 public static final int TETHER_ERROR_UNSUPPORTED = 3; 1229 /** {@hide} */ 1230 public static final int TETHER_ERROR_UNAVAIL_IFACE = 4; 1231 /** {@hide} */ 1232 public static final int TETHER_ERROR_MASTER_ERROR = 5; 1233 /** {@hide} */ 1234 public static final int TETHER_ERROR_TETHER_IFACE_ERROR = 6; 1235 /** {@hide} */ 1236 public static final int TETHER_ERROR_UNTETHER_IFACE_ERROR = 7; 1237 /** {@hide} */ 1238 public static final int TETHER_ERROR_ENABLE_NAT_ERROR = 8; 1239 /** {@hide} */ 1240 public static final int TETHER_ERROR_DISABLE_NAT_ERROR = 9; 1241 /** {@hide} */ 1242 public static final int TETHER_ERROR_IFACE_CFG_ERROR = 10; 1243 1244 /** 1245 * Get a more detailed error code after a Tethering or Untethering 1246 * request asynchronously failed. 1247 * 1248 * @param iface The name of the interface of interest 1249 * @return error The error code of the last error tethering or untethering the named 1250 * interface 1251 * 1252 * <p>This method requires the call to hold the permission 1253 * {@link android.Manifest.permission#ACCESS_NETWORK_STATE}. 1254 * {@hide} 1255 */ 1256 public int getLastTetherError(String iface) { 1257 try { 1258 return mService.getLastTetherError(iface); 1259 } catch (RemoteException e) { 1260 return TETHER_ERROR_SERVICE_UNAVAIL; 1261 } 1262 } 1263 1264 /** 1265 * Try to ensure the device stays awake until we connect with the next network. 1266 * Actually just holds a wakelock for a number of seconds while we try to connect 1267 * to any default networks. This will expire if the timeout passes or if we connect 1268 * to a default after this is called. For internal use only. 1269 * 1270 * @param forWhom the name of the network going down for logging purposes 1271 * @return {@code true} on success, {@code false} on failure 1272 * 1273 * <p>This method requires the call to hold the permission 1274 * {@link android.Manifest.permission#CONNECTIVITY_INTERNAL}. 1275 * {@hide} 1276 */ 1277 public boolean requestNetworkTransitionWakelock(String forWhom) { 1278 try { 1279 mService.requestNetworkTransitionWakelock(forWhom); 1280 return true; 1281 } catch (RemoteException e) { 1282 return false; 1283 } 1284 } 1285 1286 /** 1287 * Report network connectivity status. This is currently used only 1288 * to alter status bar UI. 1289 * 1290 * @param networkType The type of network you want to report on 1291 * @param percentage The quality of the connection 0 is bad, 100 is good 1292 * 1293 * <p>This method requires the call to hold the permission 1294 * {@link android.Manifest.permission#STATUS_BAR}. 1295 * {@hide} 1296 */ 1297 public void reportInetCondition(int networkType, int percentage) { 1298 try { 1299 mService.reportInetCondition(networkType, percentage); 1300 } catch (RemoteException e) { 1301 } 1302 } 1303 1304 /** 1305 * Set a network-independent global http proxy. This is not normally what you want 1306 * for typical HTTP proxies - they are general network dependent. However if you're 1307 * doing something unusual like general internal filtering this may be useful. On 1308 * a private network where the proxy is not accessible, you may break HTTP using this. 1309 * 1310 * @param p The a {@link ProxyProperties} object defining the new global 1311 * HTTP proxy. A {@code null} value will clear the global HTTP proxy. 1312 * 1313 * <p>This method requires the call to hold the permission 1314 * {@link android.Manifest.permission#CONNECTIVITY_INTERNAL}. 1315 * {@hide} 1316 */ 1317 public void setGlobalProxy(ProxyProperties p) { 1318 try { 1319 mService.setGlobalProxy(p); 1320 } catch (RemoteException e) { 1321 } 1322 } 1323 1324 /** 1325 * Retrieve any network-independent global HTTP proxy. 1326 * 1327 * @return {@link ProxyProperties} for the current global HTTP proxy or {@code null} 1328 * if no global HTTP proxy is set. 1329 * 1330 * <p>This method requires the call to hold the permission 1331 * {@link android.Manifest.permission#ACCESS_NETWORK_STATE}. 1332 * {@hide} 1333 */ 1334 public ProxyProperties getGlobalProxy() { 1335 try { 1336 return mService.getGlobalProxy(); 1337 } catch (RemoteException e) { 1338 return null; 1339 } 1340 } 1341 1342 /** 1343 * Get the HTTP proxy settings for the current default network. Note that 1344 * if a global proxy is set, it will override any per-network setting. 1345 * 1346 * @return the {@link ProxyProperties} for the current HTTP proxy, or {@code null} if no 1347 * HTTP proxy is active. 1348 * 1349 * <p>This method requires the call to hold the permission 1350 * {@link android.Manifest.permission#ACCESS_NETWORK_STATE}. 1351 * {@hide} 1352 */ 1353 public ProxyProperties getProxy() { 1354 try { 1355 return mService.getProxy(); 1356 } catch (RemoteException e) { 1357 return null; 1358 } 1359 } 1360 1361 /** 1362 * Sets a secondary requirement bit for the given networkType. 1363 * This requirement bit is generally under the control of the carrier 1364 * or its agents and is not directly controlled by the user. 1365 * 1366 * @param networkType The network who's dependence has changed 1367 * @param met Boolean - true if network use is OK, false if not 1368 * 1369 * <p>This method requires the call to hold the permission 1370 * {@link android.Manifest.permission#CONNECTIVITY_INTERNAL}. 1371 * {@hide} 1372 */ 1373 public void setDataDependency(int networkType, boolean met) { 1374 try { 1375 mService.setDataDependency(networkType, met); 1376 } catch (RemoteException e) { 1377 } 1378 } 1379 1380 /** 1381 * Returns true if the hardware supports the given network type 1382 * else it returns false. This doesn't indicate we have coverage 1383 * or are authorized onto a network, just whether or not the 1384 * hardware supports it. For example a GSM phone without a SIM 1385 * should still return {@code true} for mobile data, but a wifi only 1386 * tablet would return {@code false}. 1387 * 1388 * @param networkType The network type we'd like to check 1389 * @return {@code true} if supported, else {@code false} 1390 * 1391 * <p>This method requires the call to hold the permission 1392 * {@link android.Manifest.permission#ACCESS_NETWORK_STATE}. 1393 * @hide 1394 */ 1395 public boolean isNetworkSupported(int networkType) { 1396 try { 1397 return mService.isNetworkSupported(networkType); 1398 } catch (RemoteException e) {} 1399 return false; 1400 } 1401 1402 /** 1403 * Returns if the currently active data network is metered. A network is 1404 * classified as metered when the user is sensitive to heavy data usage on 1405 * that connection due to monetary costs, data limitations or 1406 * battery/performance issues. You should check this before doing large 1407 * data transfers, and warn the user or delay the operation until another 1408 * network is available. 1409 * 1410 * @return {@code true} if large transfers should be avoided, otherwise 1411 * {@code false}. 1412 * 1413 * <p>This method requires the call to hold the permission 1414 * {@link android.Manifest.permission#ACCESS_NETWORK_STATE}. 1415 */ 1416 public boolean isActiveNetworkMetered() { 1417 try { 1418 return mService.isActiveNetworkMetered(); 1419 } catch (RemoteException e) { 1420 return false; 1421 } 1422 } 1423 1424 /** 1425 * If the LockdownVpn mechanism is enabled, updates the vpn 1426 * with a reload of its profile. 1427 * 1428 * @return a boolean with {@code} indicating success 1429 * 1430 * <p>This method can only be called by the system UID 1431 * {@hide} 1432 */ 1433 public boolean updateLockdownVpn() { 1434 try { 1435 return mService.updateLockdownVpn(); 1436 } catch (RemoteException e) { 1437 return false; 1438 } 1439 } 1440 1441 /** 1442 * Signal that the captive portal check on the indicated network 1443 * is complete and whether its a captive portal or not. 1444 * 1445 * @param info the {@link NetworkInfo} object for the networkType 1446 * in question. 1447 * @param isCaptivePortal true/false. 1448 * 1449 * <p>This method requires the call to hold the permission 1450 * {@link android.Manifest.permission#CONNECTIVITY_INTERNAL}. 1451 * {@hide} 1452 */ 1453 public void captivePortalCheckCompleted(NetworkInfo info, boolean isCaptivePortal) { 1454 try { 1455 mService.captivePortalCheckCompleted(info, isCaptivePortal); 1456 } catch (RemoteException e) { 1457 } 1458 } 1459 1460 /** 1461 * Supply the backend messenger for a network tracker 1462 * 1463 * @param networkType NetworkType to set 1464 * @param messenger {@link Messenger} 1465 * {@hide} 1466 */ 1467 public void supplyMessenger(int networkType, Messenger messenger) { 1468 try { 1469 mService.supplyMessenger(networkType, messenger); 1470 } catch (RemoteException e) { 1471 } 1472 } 1473 1474 /** 1475 * Check mobile provisioning. 1476 * 1477 * @param suggestedTimeOutMs, timeout in milliseconds 1478 * 1479 * @return time out that will be used, maybe less that suggestedTimeOutMs 1480 * -1 if an error. 1481 * 1482 * {@hide} 1483 */ 1484 public int checkMobileProvisioning(int suggestedTimeOutMs) { 1485 int timeOutMs = -1; 1486 try { 1487 timeOutMs = mService.checkMobileProvisioning(suggestedTimeOutMs); 1488 } catch (RemoteException e) { 1489 } 1490 return timeOutMs; 1491 } 1492 1493 /** 1494 * Get the mobile provisioning url. 1495 * {@hide} 1496 */ 1497 public String getMobileProvisioningUrl() { 1498 try { 1499 return mService.getMobileProvisioningUrl(); 1500 } catch (RemoteException e) { 1501 } 1502 return null; 1503 } 1504 1505 /** 1506 * Get the mobile redirected provisioning url. 1507 * {@hide} 1508 */ 1509 public String getMobileRedirectedProvisioningUrl() { 1510 try { 1511 return mService.getMobileRedirectedProvisioningUrl(); 1512 } catch (RemoteException e) { 1513 } 1514 return null; 1515 } 1516 1517 /** 1518 * get the information about a specific network link 1519 * @hide 1520 */ 1521 public LinkQualityInfo getLinkQualityInfo(int networkType) { 1522 try { 1523 LinkQualityInfo li = mService.getLinkQualityInfo(networkType); 1524 return li; 1525 } catch (RemoteException e) { 1526 return null; 1527 } 1528 } 1529 1530 /** 1531 * get the information of currently active network link 1532 * @hide 1533 */ 1534 public LinkQualityInfo getActiveLinkQualityInfo() { 1535 try { 1536 LinkQualityInfo li = mService.getActiveLinkQualityInfo(); 1537 return li; 1538 } catch (RemoteException e) { 1539 return null; 1540 } 1541 } 1542 1543 /** 1544 * get the information of all network links 1545 * @hide 1546 */ 1547 public LinkQualityInfo[] getAllLinkQualityInfo() { 1548 try { 1549 LinkQualityInfo[] li = mService.getAllLinkQualityInfo(); 1550 return li; 1551 } catch (RemoteException e) { 1552 return null; 1553 } 1554 } 1555 1556 /** 1557 * Set sign in error notification to visible or in visible 1558 * 1559 * @param visible 1560 * @param networkType 1561 * 1562 * {@hide} 1563 */ 1564 public void setProvisioningNotificationVisible(boolean visible, int networkType, 1565 String extraInfo, String url) { 1566 try { 1567 mService.setProvisioningNotificationVisible(visible, networkType, extraInfo, url); 1568 } catch (RemoteException e) { 1569 } 1570 } 1571 1572 /** 1573 * Set the value for enabling/disabling airplane mode 1574 * 1575 * @param enable whether to enable airplane mode or not 1576 * 1577 * <p>This method requires the call to hold the permission 1578 * {@link android.Manifest.permission#CONNECTIVITY_INTERNAL}. 1579 * @hide 1580 */ 1581 public void setAirplaneMode(boolean enable) { 1582 try { 1583 mService.setAirplaneMode(enable); 1584 } catch (RemoteException e) { 1585 } 1586 } 1587} 1588